CN104587533A - 骨接合手术用的大晶粒钽丝 - Google Patents

骨接合手术用的大晶粒钽丝 Download PDF

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CN104587533A
CN104587533A CN201410306361.9A CN201410306361A CN104587533A CN 104587533 A CN104587533 A CN 104587533A CN 201410306361 A CN201410306361 A CN 201410306361A CN 104587533 A CN104587533 A CN 104587533A
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tantalum wire
large grain
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grain tantalum
osteosynthesis
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段然
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Abstract

一种手术中能够用于骨接合的大晶粒钽丝。它是通过特殊工艺将钽棒锻造、提纯、拉伸而成。在临床手术过程中，该钽丝能够用于关胸等骨接合部位。大晶粒钽丝比较柔韧，不易折断，同时钽也是抗磁体，遗留人体也不会影响MRI检查，不释放有毒金属元素。

Description

骨接合手术用的大晶粒钽丝
所属技术领域
本发明涉及一种大晶粒钽丝，是应用于临床外科手术。 
背景技术
目前，市场上关钢大部分都使用钢丝，也有少量使用复杂的钛合金装置，我们根据实际需要，设计的大晶粒钽丝，并且由“泰州莱赛医疗器械有限公司”生产并且进行FDA和CE注册，特此申请专利。 
发明内容
为了克服现有的钢丝具有磁性、并且生物相容性较差的缺点，术后患者必须二次手术取出。如果钢丝遗留在体内、会缓慢释放不锈钢丝中的镍，有致癌致畸的作用，同时影响患者接受MRI检查。而普通钽丝晶粒较小，临床使用过程中容易折断，会造成患者骨骼不愈合、肢体残疾，甚至胸骨裂开、死亡的风险。(图1，显微镜下小晶粒钽丝)所以大部分医生不敢使用，临床上没有真正注册上市的钽丝产品。 
本发明大晶粒钽丝，生物相容性好，力学性能完全能够代替不锈钢丝，同时钽为抗磁体，对MRI几乎没有影响，依影极小。(图2，显微镜下大晶粒钽丝) 
本发明解决其技术问题所采用的技术方案是：采用电子束熔炼、二次烧结技术，并采用独特过程控制，制成大晶粒钽丝，有效防止钽丝拉伸过程中在高温、真空环境下吸氧、吸碳，以致无法达到符合临床手术要求的柔韧度。 
本发明的有益效果是，可以在手术后中实现对人体组织良好的生物相容性，并且不影响MRI检查，不释放有害金属元素。并且钽丝柔韧性也明显优于普通钽丝。 
附图说明
下面结合附图和实施例对本发明进一步说明。 
图1，显微镜下小晶粒钽丝 
图2，显微镜下大晶粒钽丝。 

Claims (1)

1.一种手术中用于骨接合的大晶粒钽丝。其特征在于：以大晶粒钽丝为材料。
CN201410306361.9A 2014-06-26 2014-06-26 骨接合手术用的大晶粒钽丝 Pending CN104587533A (zh)

Priority Applications (1)

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CN201410306361.9A CN104587533A (zh) 2014-06-26 2014-06-26 骨接合手术用的大晶粒钽丝

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CN201410306361.9A CN104587533A (zh) 2014-06-26 2014-06-26 骨接合手术用的大晶粒钽丝

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CN104587533A true CN104587533A (zh) 2015-05-06

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0366018A1 (de) * 1988-10-24 1990-05-02 Krysmann, Waldemar, Dr.rer.nat. Metallspongiosa und Verfahren zu ihrer Herstellung
CN103300945A (zh) * 2013-06-06 2013-09-18 上海交通大学 医用多孔复合材料

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0366018A1 (de) * 1988-10-24 1990-05-02 Krysmann, Waldemar, Dr.rer.nat. Metallspongiosa und Verfahren zu ihrer Herstellung
CN103300945A (zh) * 2013-06-06 2013-09-18 上海交通大学 医用多孔复合材料

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Application publication date: 20150506